45491456 has 36 divisors (see below), whose sum is σ = 96155892. Its totient is φ = 21405696.

The previous prime is 45491443. The next prime is 45491489. The reversal of 45491456 is 65419454.

It can be written as a sum of positive squares in 2 ways, for example, as 41165056 + 4326400 = 6416^2 + 2080^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875 + ... + 9578.

It is an arithmetic number, because the mean of its divisors is an integer number (2670997).

Almost surely, 2^45491456 is an apocalyptic number.

It is an amenable number.

45491456 is an abundant number, since it is smaller than the sum of its proper divisors (50664436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45491456 is a wasteful number, since it uses less digits than its factorization.

45491456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10486 (or 10472 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 45491456 is about 6744.7354284657. The cubic root of 45491456 is about 356.9795017353.

The spelling of 45491456 in words is "forty-five million, four hundred ninety-one thousand, four hundred fifty-six".